optionable 0.17.0

Derive macro (and associated marker trait) to derive nested structs/enums with all subfields being optional (e.g. for patches or Kubernetes server side apply).
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181

#![cfg(all(feature = "kube3", feature = "k8s_openapi027_v1_34"))] // implicitly activates crate dependency on k8s_openapi

use k8s_openapi027::DeepMerge;
use optionable::DeepMerge;
use optionable_derive::MapKeysEq;

#[derive(DeepMerge, MapKeysEq, PartialEq, Debug, Clone)]
#[deepmerge(crate_k8s_openapi = "k8s_openapi027")]
struct EnvVar {
    #[map_key]
    key: String,
    value: Option<String>,
}

#[test]
fn deepmerge_struct() {
    let mut val = EnvVar {
        key: "hello".to_owned(),
        value: Some("world".to_owned()),
    };
    val.merge_from(EnvVar {
        key: "hello2".to_owned(),
        value: None,
    });
    assert_eq!(
        &val,
        &EnvVar {
            key: "hello2".to_owned(),
            value: Some("world".to_owned()),
        }
    );
    val.merge_from(EnvVar {
        key: "hello2".to_owned(),
        value: Some("world2".to_owned()),
    });
    assert_eq!(
        &val,
        &EnvVar {
            key: "hello2".to_owned(),
            value: Some("world2".to_owned()),
        }
    );
}

#[derive(DeepMerge, PartialEq, Debug, Clone)]
#[deepmerge(crate_k8s_openapi = "k8s_openapi027")]
enum EnvVarEnum {
    KeyOnly(String),
    Full { key: String, value: String },
}

#[test]
fn deepmerge_enum() {
    let mut val = EnvVarEnum::KeyOnly("hi".to_owned());
    val.merge_from(EnvVarEnum::KeyOnly("hello".to_owned()));
    assert_eq!(&val, &EnvVarEnum::KeyOnly("hello".to_owned()));

    let other = EnvVarEnum::Full {
        key: "hello".to_owned(),
        value: "world".to_owned(),
    };
    val.merge_from(other.clone());
    assert_eq!(val, other);
}

#[derive(DeepMerge, PartialEq, Debug, Clone)]
#[deepmerge(crate_k8s_openapi = "k8s_openapi027")]
/// just verify that it generates valid code
#[allow(dead_code)]
struct AllMethods {
    #[deepmerge(method(atomic))]
    atomic: Vec<EnvVar>,
    #[deepmerge(method(append_not_present))]
    append_not_present: Vec<EnvVar>,
    #[deepmerge(method(iter_map))]
    iter_map: Vec<EnvVar>,
}

#[test]
fn deepmerge_mapping() {
    let envvar_init = vec![
        EnvVar {
            key: "hello".to_owned(),
            value: Some("hello".to_owned()),
        },
        EnvVar {
            key: "hello2".to_owned(),
            value: Some("hello2".to_owned()),
        },
        EnvVar {
            key: "hello3".to_owned(),
            value: None,
        },
        EnvVar {
            key: "hello4".to_owned(),
            value: Some("world".to_owned()),
        },
    ];
    let envvar_other = vec![
        EnvVar {
            key: "hello".to_owned(),
            value: Some("world".to_owned()),
        },
        EnvVar {
            key: "hello2".to_owned(),
            value: None,
        },
        EnvVar {
            key: "hello3".to_owned(),
            value: Some("world".to_owned()),
        },
        EnvVar {
            key: "hello4".to_owned(),
            value: Some("world".to_owned()),
        },
    ];
    let wrapper = AllMethods {
        atomic: envvar_init.clone(),
        append_not_present: envvar_init.clone(),
        iter_map: envvar_init,
    };
    let wrapper_other = AllMethods {
        atomic: envvar_other.clone(),
        append_not_present: envvar_other.clone(),
        iter_map: envvar_other.clone(),
    };
    let mut wrapper_merged = wrapper.clone();
    wrapper_merged.merge_from(wrapper_other);
    let wrapper_expected = AllMethods {
        atomic: envvar_other,
        append_not_present: vec![
            EnvVar {
                key: "hello".to_owned(),
                value: Some("hello".to_owned()),
            },
            EnvVar {
                key: "hello2".to_owned(),
                value: Some("hello2".to_owned()),
            },
            EnvVar {
                key: "hello3".to_owned(),
                value: None,
            },
            EnvVar {
                key: "hello4".to_owned(),
                value: Some("world".to_owned()),
            },
            EnvVar {
                key: "hello".to_owned(),
                value: Some("world".to_owned()),
            },
            EnvVar {
                key: "hello2".to_owned(),
                value: None,
            },
            EnvVar {
                key: "hello3".to_owned(),
                value: Some("world".to_owned()),
            },
        ],
        iter_map: vec![
            EnvVar {
                key: "hello".to_owned(),
                value: Some("world".to_owned()),
            },
            EnvVar {
                key: "hello2".to_owned(),
                value: Some("hello2".to_owned()),
            },
            EnvVar {
                key: "hello3".to_owned(),
                value: Some("world".to_owned()),
            },
            EnvVar {
                key: "hello4".to_owned(),
                value: Some("world".to_owned()),
            },
        ],
    };
    assert_eq!(wrapper_merged, wrapper_expected);
}